diff options
Diffstat (limited to 'lib/IR/Constants.cpp')
| -rw-r--r-- | lib/IR/Constants.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/IR/Constants.cpp b/lib/IR/Constants.cpp index 812692f3fa..93275549b1 100644 --- a/lib/IR/Constants.cpp +++ b/lib/IR/Constants.cpp @@ -51,6 +51,8 @@ bool Constant::isNegativeZeroValue() const { return isNullValue(); } +// Return true iff this constant is positive zero (floating point), negative +// zero (floating point), or a null value. bool Constant::isZeroValue() const { // Floating point values have an explicit -0.0 value. if (const ConstantFP *CFP = dyn_cast<ConstantFP>(this)) |